[Libreoffice-commits] core.git: vcl/qt5

[Libreoffice Gerrit user]

 vcl/qt5/Qt5AccessibleWidget.cxx |   15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

New commits:
commit d804d22c229a9a08bd50c348a0e933b0138385bf
Author:     Katarina Behrens <Katarina.Behrens at cib.de>
AuthorDate: Sun Dec 30 16:41:07 2018 +0000
Commit:     Katarina Behrens <Katarina.Behrens at cib.de>
CommitDate: Thu Jan 10 13:41:43 2019 +0100

    tdf#122056: catch DisposedException to avoid crash w/ screen reader
    
    The repro scenario is closing a slideshow with screen reader on.
    Some object are already disposed by the time [full-screen] win with
    presentation closes
    
    Change-Id: I7e2ae7a5b694daaf7355ef93d87a998c9f2e345a
    Reviewed-on: https://gerrit.libreoffice.org/65931
    Tested-by: Jenkins
    Reviewed-by: Katarina Behrens <Katarina.Behrens at cib.de>

diff --git a/vcl/qt5/Qt5AccessibleWidget.cxx b/vcl/qt5/Qt5AccessibleWidget.cxx
index c2c1fdc2b7f8..efafab17f3cf 100644
--- a/vcl/qt5/Qt5AccessibleWidget.cxx
+++ b/vcl/qt5/Qt5AccessibleWidget.cxx
@@ -46,6 +46,7 @@
 #include <com/sun/star/accessibility/XAccessibleValue.hpp>
 #include <com/sun/star/awt/FontWeight.hpp>
 #include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/lang/DisposedException.hpp>
 #include <com/sun/star/uno/Sequence.hxx>
 
 #include <comphelper/AccessibleImplementationHelper.hxx>
@@ -662,8 +663,18 @@ QAccessibleInterface* Qt5AccessibleWidget::childAt(int x, int y) const
 {
     if (!m_xAccessible.is())
         return nullptr;
-    Reference<XAccessibleComponent> xAccessibleComponent(m_xAccessible->getAccessibleContext(),
-                                                         UNO_QUERY);
+
+    Reference<XAccessibleContext> xAc;
+    try
+    {
+        xAc = m_xAccessible->getAccessibleContext();
+    }
+    catch (css::lang::DisposedException /*ex*/)
+    {
+        return nullptr;
+    }
+
+    Reference<XAccessibleComponent> xAccessibleComponent(xAc, UNO_QUERY);
     return QAccessible::queryAccessibleInterface(
         new Qt5XAccessible(xAccessibleComponent->getAccessibleAtPoint(awt::Point(x, y))));
 }